Skip to main content


Showing posts with the label Sound

4 x 11 W or 2 x 22 W power amplifier

General Description: The TDA1554Q is an integrated class-B output amplifier in a 17-lead single-in-line (SIL) plastic power package.The circuit contains 4 x 11 W single-ended or 2 x 22 W bridge amplifiers. The device is primarily developed for car radio applications. Circuit Diagram:
Datasheet for TDA1554Q: Download

70W x 1ch BTL Power Amplifier

Circuit diagram for AN17850A: